Home / Accessory-Silencer Accessories / Gemtech SHIM SET 556MM 1/2-28 You cannot add "SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG" to the cart because the product is out of stock. Gemtech SHIM SET 556MM 1/2-28$700 In stock Gemtech SHIM SET 556MM 1/2-28 quantity Add to cart SKU: 3013332 Category: Accessory-Silencer Accessories Product ID: 61326 Description Description 1/2-28Fits 5.56mm Rifles Related products Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 $7135 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! Rugged Suppressors R3 FLASH HIDER 5/8X24 SCAR 17L $10000 $8715 Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 $8715